• The influence of working condition of bearing on bearing friction torque
  • Angular contact ball bearing friction torque test

The influence of working condition of bearing on bearing friction torque

Angular contact ball bearing rotates at low speed, the shaft bearing friction torque increases with the speed of the bearing, this is because between the ball and raceway elastohydrodynamic lubrication film has not yet been established, bearing basic in the dry lubrication state; When the bearing rotating speed reaches a certain value, between the ball and raceway lubrication has been formed, bearing friction torque Decreases with the increasing of the…

Read More >>

Angular contact ball bearing friction torque test

Be tested angular contact ball bearing outer ring is mounted on the spindle shaft end in and one of main shaft bearing of indoor, brushless dc motor through flexible coupling drive shaft rotation.By a dc motor drive control,0 ~ 7 kr/min can be stepless speed regulation.At the same time, by speed signal installed in the motor inside the hall effect sensor monitoring and transmitted to the drive. In order to…

Read More >>

guangzhou worlda Some difference between Chinese students and Western students [Teaching]

Written by Abraham @Worlda Greetings ESL Teachers, It could be an amazing experience to teach English in China. You get a sense of achievement by offering you knowledge, you experience and your creation to help people far away in the east to develop their personality, enlarge their knowledge, and become more open minded. Also by offering your value, you also gain precious life experience, happy moments, and accumulate knowledge and…

Read More >>

guangzhou worlda Beyond the Class –WORLDA Teachers’ Recording for Governmental Exam

Written by Issac, @ GuangzhouWorlda What would you experience if you could get the chance to be an ESL teacher? Probably you’ll never exactly know, for the job exposes us so much beyond classes to books, films, charity or even exams… I mean we were all students once. But did anyone spare a bit curiosity to wonder how to make textbooks, how to design the test questions, and, one of…

Read More >>

Brazilian Hairs, polyurethane sealant, Wedding Photography Brisbane